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Commuter light transport has TCASII TA indicating traffic 12 O'clock, 5 mi, 500 ft below. RA issued to climb. Complies.
| Attributes | |
| ACN | 209955 |
| Time | |
| Date | 199205 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ord |
| State Reference | IL |
| Altitude | msl bound lower : 7000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : ord |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 200 flight time total : 8000 flight time type : 5500 |
| ASRS Report | 209955 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : far other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : took evasive action |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 2500 vertical : 300 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | other |
Narrative:
TCASII TA alert showed traffic 12 O'clock and 5 mi, 500 ft below and climbing. TCASII then issued an RA with a 'climb, climb' command to which we made an immediate maneuver and advised ATC. A small transport was observed eastbound at 7000 ft and passing below our right side in the opposite direction. ATC then issued the unknown traffic as a pop-up. Ord approach, meigs tower, chicago departure, and south bend approach were all asked about the traffic, to which nobody knew about the small transport.
Original NASA ASRS Text
Title: COMMUTER LTT HAS TCASII TA INDICATING TFC 12 O'CLOCK, 5 MI, 500 FT BELOW. RA ISSUED TO CLB. COMPLIES.
Narrative: TCASII TA ALERT SHOWED TFC 12 O'CLOCK AND 5 MI, 500 FT BELOW AND CLBING. TCASII THEN ISSUED AN RA WITH A 'CLB, CLB' COMMAND TO WHICH WE MADE AN IMMEDIATE MANEUVER AND ADVISED ATC. A SMT WAS OBSERVED EBOUND AT 7000 FT AND PASSING BELOW OUR R SIDE IN THE OPPOSITE DIRECTION. ATC THEN ISSUED THE UNKNOWN TFC AS A POP-UP. ORD APCH, MEIGS TWR, CHICAGO DEP, AND S BEND APCH WERE ALL ASKED ABOUT THE TFC, TO WHICH NOBODY KNEW ABOUT THE SMT.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.